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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Air refrigeration operates on

Rankine’s cycle
Carnot cycle
Brayton cycle
Reversed Carnot cycle

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Refrigeration and Air Conditioning
In a domestic vapour compression refrigerator, the refrigerant commonly used is

CO?
All of these
R-12
Ammonia

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Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

40 tons
0.1 ton
10 tons
5 tons

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Refrigeration and Air Conditioning
In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is

Reversed Joule cycle
Reversed Brayton cycle
Reversed Otto cycle
Reversed Carnot cycle

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Refrigeration and Air Conditioning
The leakage in a refrigeration system using Freon is detected by

Sulphur sticks
Soap and water
Halide torch
All of these

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Refrigeration and Air Conditioning
A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be

43833
3
43834
4

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MORE MCQ ON Refrigeration and Air Conditioning

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